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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 13:31:34 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 13:31:34 -0800
commitd43a338e395371733a80ec473b40baac5f74d768 (patch)
treed4c01b62865bed1af2463d7a4eb4cb25ca46c66e /drivers/input/serio
parentcb4aaf46c0283dd79ab2e8b8b165c0bf13ab6194 (diff)
parent62b529a7b9c11880a8820494a25db0e2ecdf3bed (diff)
downloadlinux-d43a338e395371733a80ec473b40baac5f74d768.tar.bz2
Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input: Input: remove obsolete setup parameters from input drivers Input: HIL - fix improper call to release_region() Input: hid-lgff - treat devices as joysticks unless told otherwise Input: HID - add support for Logitech Formula Force EX Input: gpio-keys - switch to common GPIO API Input: do not lock device when showing name, phys and uniq Input: i8042 - let serio bus suspend ports Input: psmouse - properly reset mouse on shutdown/suspend
Diffstat (limited to 'drivers/input/serio')
-rw-r--r--drivers/input/serio/i8042.c63
-rw-r--r--drivers/input/serio/serio.c36
2 files changed, 64 insertions, 35 deletions
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index c3fdfc1f342a..ec195a36e8f6 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -76,13 +76,6 @@ module_param_named(debug, i8042_debug, bool, 0600);
MODULE_PARM_DESC(debug, "Turn i8042 debugging mode on and off");
#endif
-__obsolete_setup("i8042_noaux");
-__obsolete_setup("i8042_nomux");
-__obsolete_setup("i8042_unlock");
-__obsolete_setup("i8042_reset");
-__obsolete_setup("i8042_direct");
-__obsolete_setup("i8042_dumbkbd");
-
#include "i8042.h"
static DEFINE_SPINLOCK(i8042_lock);
@@ -724,7 +717,7 @@ static int i8042_controller_init(void)
if (~i8042_read_status() & I8042_STR_KEYLOCK) {
if (i8042_unlock)
i8042_ctr |= I8042_CTR_IGNKEYLOCK;
- else
+ else
printk(KERN_WARNING "i8042.c: Warning: Keylock active.\n");
}
spin_unlock_irqrestore(&i8042_lock, flags);
@@ -791,27 +784,6 @@ static void i8042_controller_reset(void)
/*
- * Here we try to reset everything back to a state in which the BIOS will be
- * able to talk to the hardware when rebooting.
- */
-
-static void i8042_controller_cleanup(void)
-{
- int i;
-
-/*
- * Reset anything that is connected to the ports.
- */
-
- for (i = 0; i < I8042_NUM_PORTS; i++)
- if (i8042_ports[i].serio)
- serio_cleanup(i8042_ports[i].serio);
-
- i8042_controller_reset();
-}
-
-
-/*
* i8042_panic_blink() will flash the keyboard LEDs and is called when
* kernel panics. Flashing LEDs is useful for users running X who may
* not see the console and will help distingushing panics from "real"
@@ -857,13 +829,22 @@ static long i8042_panic_blink(long count)
#undef DELAY
+#ifdef CONFIG_PM
/*
- * Here we try to restore the original BIOS settings
+ * Here we try to restore the original BIOS settings. We only want to
+ * do that once, when we really suspend, not when we taking memory
+ * snapshot for swsusp (in this case we'll perform required cleanup
+ * as part of shutdown process).
*/
static int i8042_suspend(struct platform_device *dev, pm_message_t state)
{
- i8042_controller_cleanup();
+ if (dev->dev.power.power_state.event != state.event) {
+ if (state.event == PM_EVENT_SUSPEND)
+ i8042_controller_reset();
+
+ dev->dev.power.power_state = state;
+ }
return 0;
}
@@ -877,6 +858,12 @@ static int i8042_resume(struct platform_device *dev)
{
int error;
+/*
+ * Do not bother with restoring state if we haven't suspened yet
+ */
+ if (dev->dev.power.power_state.event == PM_EVENT_ON)
+ return 0;
+
error = i8042_controller_check();
if (error)
return error;
@@ -886,9 +873,12 @@ static int i8042_resume(struct platform_device *dev)
return error;
/*
- * Restore pre-resume CTR value and disable all ports
+ * Restore original CTR value and disable all ports
*/
+ i8042_ctr = i8042_initial_ctr;
+ if (i8042_direct)
+ i8042_ctr &= ~I8042_CTR_XLATE;
i8042_ctr |= I8042_CTR_AUXDIS | I8042_CTR_KBDDIS;
i8042_ctr &= ~(I8042_CTR_AUXINT | I8042_CTR_KBDINT);
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
@@ -909,8 +899,11 @@ static int i8042_resume(struct platform_device *dev)
i8042_interrupt(0, NULL);
+ dev->dev.power.power_state = PMSG_ON;
+
return 0;
}
+#endif /* CONFIG_PM */
/*
* We need to reset the 8042 back to original mode on system shutdown,
@@ -919,7 +912,7 @@ static int i8042_resume(struct platform_device *dev)
static void i8042_shutdown(struct platform_device *dev)
{
- i8042_controller_cleanup();
+ i8042_controller_reset();
}
static int __devinit i8042_create_kbd_port(void)
@@ -1154,9 +1147,11 @@ static struct platform_driver i8042_driver = {
},
.probe = i8042_probe,
.remove = __devexit_p(i8042_remove),
+ .shutdown = i8042_shutdown,
+#ifdef CONFIG_PM
.suspend = i8042_suspend,
.resume = i8042_resume,
- .shutdown = i8042_shutdown,
+#endif
};
static int __init i8042_init(void)
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 17c8c63cbe1a..a15e531ec755 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -778,6 +778,19 @@ static int serio_driver_remove(struct device *dev)
return 0;
}
+static void serio_cleanup(struct serio *serio)
+{
+ if (serio->drv && serio->drv->cleanup)
+ serio->drv->cleanup(serio);
+}
+
+static void serio_shutdown(struct device *dev)
+{
+ struct serio *serio = to_serio_port(dev);
+
+ serio_cleanup(serio);
+}
+
static void serio_attach_driver(struct serio_driver *drv)
{
int error;
@@ -910,11 +923,25 @@ static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buf
#endif /* CONFIG_HOTPLUG */
+#ifdef CONFIG_PM
+static int serio_suspend(struct device *dev, pm_message_t state)
+{
+ if (dev->power.power_state.event != state.event) {
+ if (state.event == PM_EVENT_SUSPEND)
+ serio_cleanup(to_serio_port(dev));
+
+ dev->power.power_state = state;
+ }
+
+ return 0;
+}
+
static int serio_resume(struct device *dev)
{
struct serio *serio = to_serio_port(dev);
- if (serio_reconnect_driver(serio)) {
+ if (dev->power.power_state.event != PM_EVENT_ON &&
+ serio_reconnect_driver(serio)) {
/*
* Driver re-probing can take a while, so better let kseriod
* deal with it.
@@ -922,8 +949,11 @@ static int serio_resume(struct device *dev)
serio_rescan(serio);
}
+ dev->power.power_state = PMSG_ON;
+
return 0;
}
+#endif /* CONFIG_PM */
/* called from serio_driver->connect/disconnect methods under serio_mutex */
int serio_open(struct serio *serio, struct serio_driver *drv)
@@ -974,7 +1004,11 @@ static struct bus_type serio_bus = {
.uevent = serio_uevent,
.probe = serio_driver_probe,
.remove = serio_driver_remove,
+ .shutdown = serio_shutdown,
+#ifdef CONFIG_PM
+ .suspend = serio_suspend,
.resume = serio_resume,
+#endif
};
static int __init serio_init(void)